A) impulse B) mechanical Wave C) reaction force D) thermal energy
A) artificial lights B) a vacuum C) the energy of distant stars D) the high energy of the Sun
A) microwaves B) ultraviolet light C) radio waves D) visible light
A) True B) False
A) longitidunal wave B) transverse Wave C) vibrational wave D) thermal wave
A) longitudinal wave B) interference wave C) node D) transverse wave
A) light waves B) water waves C) seismic waves D) sound waves
A) water waves B) sound waves
A) violet B) red C) yellow D) green E) blue
A) violet B) green C) blue D) yellow E) red
A) radio waves B) gamma rays C) ultraviolet light D) infrared light
A) x-rays B) ultraviolet light C) gamma rays D) radio waves
A) when the queen greets her subjects while cleaning B) mechanical waves C) electromagnetic waves
A) a path to lucky charms B) a gross brown colour C) black light D) white light
A) x-rays B) ultraviolet light C) gamma rays D) radio waves
A) Energy B) Vibrations C) All of these are correct D) Waves E) Captured in our Ears
A) There is a rainbow present in the sky. B) The waves are really distorted in the front where the sound is and not in the back after the object moves away C) A moving object is emitting sound continuously. D) The waves are moving like the ripples in a pond from a rock
A) Space B) Liquids C) Solids D) Gases
A) A figment of your imagination B) Sound that bounces in all directions C) Sound bouncing back to you off a solid object D) Sound that DOES NOT bounce back to you
A) Amplitude B) Velocity C) Frequency D) Intensity E) Hertz
A) The unit of measure that is used to measure wavelength B) The unit of measure used to measure frequency C) The unit of measure to measure tone quality D) The unit of measure used to measure the loudness
A) Decibels B) Amplitude C) Frequency D) It does not have a relation E) Speed
A) 200 dB B) 70 dB C) 100 dB D) 50 dB E) 20 dB
A) Neither B) False C) You can always hear no matter where you are D) True E) The only place in space that you can hear is the moon
A) 100-100,000Hz B) A mouse squeak to a lion's roar C) 20-20,000Hz D) 50-50,000Hz E) 0-100Hz
A) a lower pitch B) a louder sound C) a softer sound D) a higher pitch
A) in a straight line B) parallel to the source C) at right angles with the source D) all directions
A) determined by how many particles move side to side B) determined between two consecutive compressions or rarefractions C) determined by how loud it is D) determined between two consecutive crests or troughs
A) ultrasonic B) hydrasonic C) infrasonic D) sonic the hedgehog
A) sonic the hedgehog B) ultrasonic C) infrasonic D) hydrasonic
A) bats B) ultrasound machine C) all of the above D) elephants
A) all of these B) bats C) ultrasound machine D) whales
A) starts, stops B) decreases, increases C) increases, decreases D) stops, restarts
A) No echos at all B) Echo Location C) Echo Reverberation D) Echo Detection
A) amplitude B) frequency C) wavelength D) hearing sensitivity
A) 10 km/h B) 40 km/h C) 340 m/s D) 3 m/s
A) calm classroom B) jet motor C) intense road traffic D) rock music concert
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